Fix problems that block programs from being installed or removed
Learn how to use the Program Install and Uninstall troubleshooter to fix corrupted registry keys, blockages, and errors when installing or uninstalling Windows programs. Download the troubleshooter and follow the steps it provides.
Use the System File Checker tool to repair missing or corrupted system ...
Learn how to scan and repair missing or corrupted system files in Windows using the System File Checker tool (sfc/scannow). Follow the steps to run the tool, view the scan results, and manually replace the corrupted files if needed.
Uninstall or remove apps and programs in Windows
Learn how to uninstall or remove apps and programs in Windows 10 or 11 using different methods. Find tips and troubleshooters for common issues and errors.
Protect your PC from potentially unwanted applications
Learn how to configure and use Windows Security to protect your PC from PUA, a category of software that can slow down your machine or display unwanted ads. Windows Security can block PUA as you download or install them, and notify you to take action.
Remove malware from your Windows PC - Microsoft Support
Learn how to use Microsoft Defender Antivirus to scan and remove malware from your PC. Follow the steps to run an offline scan, view the results, and take action on the detected threats.
Applies To:
OneDrive (home or personal), OneDrive for Windows
Enable or disable security alerts about links and files from suspicious ...
Learn how to modify the settings in the Trust Center to prevent or allow security alerts about links and files from suspicious websites in Excel. See examples of suspicious links and how to add trusted sites to your zone.
Applies To:
Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, OneNote 2013, Project Professional 2013, Project Standard 2013, Publisher 2013, Visio Professional 2013, Visio 2013, Excel 2010, Word 2010, Outlook 2010, PowerPoint 2010, Access 2010, OneNote 2010, Project 2010, Project Standard 2010, Publisher 2010, Visio 2010, Visio Standard 2010, Office 2010, Clip Organizer 2010, Clip Organizer 2013, Excel Starter 2010, InfoPath 2010, InfoPath 2013, Word Starter 2010
Add an exclusion to Windows Security - Microsoft Support
Learn how to stop Windows Security from alerting you or blocking a trusted file, file type, folder, or process by adding it to the exclusions list. See the steps for Windows 11 and Windows 10, and the caution for adding unsafe programs.
Block pop-ups in Microsoft Edge - Microsoft Support
Learn how to turn on the pop-up blocker feature in Edge to prevent websites from opening unwanted windows or tabs. Find out how to allow pop-ups for specific URLs and what to do if you still see pop-ups.
Applies To:
Microsoft account dashboard
Troubleshooting tips for installing and updating Microsoft Edge
Learn how to fix common problems with downloading, installing, or updating Microsoft Edge on Windows, Mac, or Linux. Follow the steps to check your operating system, network, trusted sites, and more.
Recover lost or deleted files - Microsoft Support
Learn how to restore files from a backup or a previous version after you can't find them on your computer or you deleted them by mistake. Follow the steps to access previous versions of files and folders from Windows Backup or restore points.